Home / 3,468.11-4,781.90-2,802.90

Finding the Fourth Proportional to 3,468.11, 4,781.90 and 2,802.90

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Solution

The fourth proportional to 3,468.11, 4,781.90 and 2,802.90 is: 3,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.11 : 4,781.90 = 2,802.90 : x
  2. Step 2: Convert to fraction form
    3,468.11/4,781.90 = 2,802.90/x
  3. Step 3: Cross multiply
    3,468.11x = 4,781.90 × 2,802.90
  4. Step 4: Simplify right side
    3,468.11x = 13,403,173.50
  5. Step 5: Solve for x
    x = 13,403,173.50/3,468.11
  6. Step 6: Final answer
    x = 3,864.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.